Mortgages, Loans Payable And Other Obligations (Narrative) (Details)
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9 Months Ended |
|
|
Sep. 30, 2016
USD ($)
property
|
Sep. 30, 2015
USD ($)
|
Dec. 31, 2015
USD ($)
|
| Debt Instrument [Line Items] |
|
|
|
| Number of properties with encumbered company mortgages | property |
21
|
|
|
| Carrying value of encumbered properties |
$ 1,200,000,000
|
|
|
| Cash paid for interest |
89,617,000
|
$ 85,019,000
|
|
| Interest capitalized |
14,436,000
|
11,744,000
|
|
| Total indebtedness |
$ 2,474,148,000
|
|
$ 2,154,920,000
|
| Total indebtedness, weighted average interest rate |
4.48%
|
|
5.22%
|
| Projects Under Development And Developable Land [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Number of properties with encumbered company mortgages | property |
3
|
|
|
| Other Property [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Carrying value of encumbered properties |
$ 146,000,000
|
|
|
| Revolving Credit Facility Borrowing And Other Variable Rate Mortgage Debt [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Total indebtedness |
$ 261,706,000
|
|
$ 292,399,000
|
| Total indebtedness, weighted average interest rate |
3.75%
|
|
2.81%
|
| Fixed Rate Debt And Other Obligations [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Total indebtedness |
$ 2,212,442,000
|
|
$ 1,862,521,000
|
| Total indebtedness, weighted average interest rate |
4.56%
|
|
5.60%
|
| Unconsolidated Joint Venture [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Interest capitalized |
$ 3,937,000
|
$ 3,769,000
|
|